What HALLERVORDEN-SPATZ DISEASE means: Hallervorden-Spatz Disease - Neurodegeneration with brain iron accumulation (NBIA) is a rare, inherited, neurological movement disorder characterized by progressive degeneration of the nervous system. Symptoms, which vary greatly among patients and usually develop during childhood, may include slow writhing, distorting muscle contractions of the limbs, face, or trunk, choreoathetosis (involuntary, purposeless jerky muscle movements), muscle rigidity (uncontrolled tightness of the muscles), spasticity (sudden, involuntary muscle spasms), ataxia (inability to coordinate movements), confusion, disorientation, seizures, stupor, and dementia.
- Definition Hereditary Neuropathies:
- Dictionary Neuropathies - Hereditary neuropathies are a group of inherited disorders of the peripheral nervous system. Within the group there are 4 subcategories of disorders, including hereditary motor and hallervorden-spatz disease definition.
- Definition Hydranencephaly:
- Dictionary Hydranencephaly is a rare condition in which the brain's cerebral hemispheres are absent and replaced by sacs filled with cerebrospinal fluid. An infant with hydranencephaly may appear normal at hallervorden-spatz disease explain.
- Definition Huntington'S Disease:
- Dictionary Disease - is caused by a trinucleotide repeat expansion in the gene coding for Huntingtin protein (Htt) and is one of several polyglutamine diseases. This expansion produces an altered form of the hallervorden-spatz disease what is.
- Definition Hypoxia:
- Dictionary Hypoxia - is a restriction in blood supply (and therefore oxygen supply) to an organ or section of the body, generally due to constriction or blocking of blood vessels hallervorden-spatz disease meaning.
